IPv4 R&E Routing Table Report 20:15 GMT Thu 12 Mar, 2026 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 289373 Prefixes after maximum aggregation (per Origin AS): 117909 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147475 Number of IPv4 prefixes with a valid ROA: 147900 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 141260 Total ASes present in the Internet Routing Table: 20419 Prefixes per ASN: 14.17 Origin-only ASes present in the Internet Routing Table: 17534 Origin ASes announcing only one prefix: 7840 Transit ASes present in the Internet Routing Table: 2885 Transit-only ASes present in the Internet Routing Table: 725 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 292 Number of instances of unregistered ASNs: 321 Number of 32-bit ASNs allocated by the RIRs: 48932 Number of 32-bit ASNs visible in the Routing Table: 8392 Prefixes from 32-bit ASNs in the Routing Table: 35307 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 92 Number of addresses announced to Internet: 1618488773 Equivalent to 96 /8s, 120 /16s and 45 /24s Percentage of available address space announced: 43.7 Percentage of allocated address space announced: 43.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 93008 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42591 Total APNIC prefixes after maximum aggregation: 8087 APNIC Deaggregation factor: 5.27 Prefixes being announced from the APNIC address blocks: 39055 Unique aggregates announced from the APNIC address blocks: 7783 APNIC Region origin ASes present in the Internet Routing Table: 1246 APNIC Prefixes per ASN: 31.34 APNIC Region origin ASes announcing only one prefix: 513 APNIC Region transit ASes present in the Internet Routing Table: 222 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 609 Number of APNIC addresses announced to Internet: 169073772 Equivalent to 10 /8s, 19 /16s and 220 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 127407 Total ARIN prefixes after maximum aggregation: 65266 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 124511 Unique aggregates announced from the ARIN address blocks: 70967 ARIN Region origin ASes present in the Internet Routing Table: 8954 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 3681 ARIN Region transit ASes present in the Internet Routing Table: 846 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2149 Number of ARIN addresses announced to Internet: 1015025961 Equivalent to 60 /8s, 128 /16s and 17 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-402332 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 50646 Total RIPE prefixes after maximum aggregation: 25433 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 53741 Unique aggregates announced from the RIPE address blocks: 37235 RIPE Region origin ASes present in the Internet Routing Table: 4449 RIPE Prefixes per ASN: 12.08 RIPE Region origin ASes announcing only one prefix: 1898 RIPE Region transit ASes present in the Internet Routing Table: 702 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1901 Number of RIPE addresses announced to Internet: 281256144 Equivalent to 16 /8s, 195 /16s and 160 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 58659 Total LACNIC prefixes after maximum aggregation: 16900 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 56499 Unique aggregates announced from the LACNIC address blocks: 24909 LACNIC Region origin ASes present in the Internet Routing Table: 4654 LACNIC Prefixes per ASN: 12.14 LACNIC Region origin ASes announcing only one prefix: 1648 LACNIC Region transit ASes present in the Internet Routing Table: 917 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3587 Number of LACNIC addresses announced to Internet: 107953248 Equivalent to 6 /8s, 111 /16s and 60 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 9778 Total AfriNIC prefixes after maximum aggregation: 2019 AfriNIC Deaggregation factor: 4.84 Prefixes being announced from the AfriNIC address blocks: 15475 Unique aggregates announced from the AfriNIC address blocks: 6498 AfriNIC Region origin ASes present in the Internet Routing Table: 274 AfriNIC Prefixes per ASN: 56.48 AfriNIC Region origin ASes announcing only one prefix: 100 AfriNIC Region transit ASes present in the Internet Routing Table: 75 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 146 Number of AfriNIC addresses announced to Internet: 45106944 Equivalent to 2 /8s, 176 /16s and 71 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2374 149 478 LCS-AS-AP LARUS Limited, HK 56041 1802 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1698 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1060 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 704 1210 158 ALIBABA-CN-NET Alibaba US Technology Co., Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14442 41232 5547 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2367 194 1093 AS-COLOCROSSING - HostPapa, US 6167 2009 4237 575 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 367 1646 1342 753 DNIC-ASBLK-00306-00371 - United States De 209 1631 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1473 737 685 BRIGHTSPEED - Brightspeed, US 20057 1456 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4901 302 72 ALJAWWALSTC-AS, SA 20940 1266 98 1026 AKAMAI-ASN1, NL 25019 1266 1335 141 SAUDINETSTC-AS, SA 34984 982 145 730 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 891 1841 19 TE-AS TE-AS, EG 212238 731 52 644 CDNEXT, GB 8376 663 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 5511 528 98 447 OPENTRANSIT, FR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7294 1924 798 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1511 211 1126 Telmex Colombia S.A., CO 11664 1451 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 962 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 688 43 204 UFINET PANAMA S.A., PA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1532 524 27 RAYA-AS, EG 37069 1088 1100 11 MOBINIL, EG 24863 843 389 16 LINKdotNET-AS, EG 36914 557 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 427 881 261 ETISALAT-MISR, EG 2018 375 318 69 TENET-1, ZA 37693 347 599 43 TUNISIANA, TN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14442 41232 5547 AMAZON-02 - Amazon.com, Inc., US 9808 13543 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7294 1924 798 UNINET, MX 39891 4901 302 72 ALJAWWALSTC-AS, SA 22773 4776 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2374 149 478 LCS-AS-AP LARUS Limited, HK 36352 2367 194 1093 AS-COLOCROSSING - HostPapa, US 6167 2009 4237 575 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13543 13423 CHINAMOBILE-CN China Mobile Communications Grou 8151 7294 6496 UNINET, MX 39891 4901 4829 ALJAWWALSTC-AS, SA 22773 4776 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3405 3216 CMNET-JIANGSU-AP China Mobile communications co 17561 2374 1896 LCS-AS-AP LARUS Limited, HK 11830 1956 1891 Instituto Costarricense de Electricidad y Telec 56041 1802 1723 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1698 1648 CMNET-HUNAN-AP China Mobile communications corp Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:14 /9:11 /10:31 /11:55 /12:159 /13:217 /14:581 /15:1076 /16:7469 /17:3489 /18:4173 /19:7674 /20:13564 /21:15982 /22:28802 /23:29954 /24:175834 /25:65 /26:82 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4028 7294 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3047 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2584 14442 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1956 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1451 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1028 1473 BRIGHTSPEED - Brightspeed, US 36352 1028 2367 AS-COLOCROSSING - HostPapa, US 209 948 1631 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 923 1511 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:497 3:994 4:1 5:1152 6:188 7:5 8:619 9:7 11:172 12:851 13:583 14:129 15:400 16:142 17:4 18:908 20:344 21:4 22:188 23:2870 24:766 27:21 29:19 31:460 32:12 34:9 35:185 36:3335 37:619 38:2498 39:852 40:46 41:1075 42:21 43:220 44:24 45:4658 46:897 47:173 48:29 49:21 50:500 51:518 52:1105 54:272 55:1054 56:11 57:30 58:44 59:33 60:14 61:57 62:635 63:697 64:2205 65:967 66:2402 67:1101 68:489 69:1188 70:427 71:150 72:701 74:988 75:269 76:234 77:476 78:540 79:252 80:319 81:417 82:829 83:198 84:335 85:598 86:247 87:195 88:277 89:562 90:102 91:923 92:664 93:878 94:957 95:1286 96:272 97:44 98:385 99:284 100:21 101:24 102:411 103:1244 104:1638 105:133 107:1752 108:504 109:365 110:52 111:2753 112:1296 113:33 114:40 115:7 116:56 117:1617 118:65 119:94 120:2020 121:35 122:43 123:105 124:62 125:19 126:1 128:567 129:306 130:724 131:1232 132:560 133:217 134:499 135:132 136:720 137:597 138:1042 139:467 140:760 141:420 142:1518 143:839 144:506 145:194 146:670 147:515 148:1211 149:749 150:381 151:905 152:795 153:295 154:2321 155:998 156:2120 157:470 158:665 159:816 160:678 161:698 162:999 163:423 164:730 165:635 166:567 167:720 168:1493 169:205 170:1907 171:103 172:1381 173:789 174:270 175:89 176:624 177:1102 178:630 179:911 180:35 181:2641 182:25 183:1695 184:445 185:3274 186:3583 187:1773 188:1024 189:2038 190:6287 191:607 192:5110 193:1720 194:1095 195:911 196:682 197:685 198:2664 199:2466 200:4467 201:3655 202:1046 203:733 204:2140 205:1804 206:1490 207:1668 208:1617 209:2040 210:324 211:511 212:1002 213:868 214:965 215:35 216:2454 217:539 218:660 219:18 220:28 221:537 222:30 223:1687 End of report